1.3Section (1-3) Drifting Continents

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Vocabulary

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Pangaea-means "all the lands" Supercontinent existed 300 million years ago

Continental Drift- the movement of continents over time

Fossil-trace of an ancient organism that has been preserved in rock

Outline

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Summary

-Africa and South America looks like they could fit together


Theory of Continental Drift
-1910/ Wegener
- hypothesis of single land was Pangaea
-supported ideas with the study of landforms, fossils, and climate
-evidence from landforms
-evidence from fossils
-evidence from climate
-used mountains
-from Africa and South America
-coal fields
-common found on distant continents
-continents today have very different climate from millions of years ago

Scientists Reject Wegener's Theory
-doesn't have proof how the continents drifted apart